CVE-2026-105119 - OpenAM before 16.1.3 PKCE Enforcement Bypass via OAuth 2.0 Hybrid Flows

CVE-2026-105119 - OpenAM before 16.1.3 PKCE Enforcement Bypass via OAuth 2.0 Hybrid Flows

https://cvefeed.io/rssfeed/latest.atom / Sat, 10/03/2026 - 22:50
CVE ID :CVE-2026-105119
Published : Oct. 3, 2026, 2:16 p.m. | 4 hours, 57 minutes ago
Description :OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests whose response_type is exactly code, so codes issued through OpenID Connect hybrid flows (code token, code id_token, code token id_token) carry no bound challenge. An attacker who intercepts such a code can redeem it for a public client's tokens with any non-empty code_verifier.
Severity: 7.6 | HIGH
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.